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3645141540 = 2235593532917
BaseRepresentation
bin1101100101000100…
…0111001000100100
3100102000222101011020
43121101013020210
524431124012130
61401412011140
7156221122545
oct33121071044
910360871136
103645141540
111600650877
12858900ab0
13461256cb1
142681804cc
1516502be10
hexd9447224

3645141540 has 96 divisors (see below), whose sum is σ = 10412357760. Its totient is φ = 952528896.

The previous prime is 3645141529. The next prime is 3645141551. The reversal of 3645141540 is 451415463.

It is an interprime number because it is at equal distance from previous prime (3645141529) and next prime (3645141551).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1248162 + ... + 1251078.

It is an arithmetic number, because the mean of its divisors is an integer number (108462060).

Almost surely, 23645141540 is an apocalyptic number.

3645141540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3645141540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5206178880).

3645141540 is an abundant number, since it is smaller than the sum of its proper divisors (6767216220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3645141540 is a wasteful number, since it uses less digits than its factorization.

3645141540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341 (or 3339 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 3645141540 is about 60375.0075776393. The cubic root of 3645141540 is about 1538.9982719154.

The spelling of 3645141540 in words is "three billion, six hundred forty-five million, one hundred forty-one thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 353 354 590 706 708 885 1059 1180 1412 1765 1770 2118 2917 3530 3540 4236 5295 5834 7060 8751 10590 11668 14585 17502 20827 21180 29170 35004 41654 43755 58340 62481 83308 87510 104135 124962 172103 175020 208270 249924 312405 344206 416540 516309 624810 688412 860515 1029701 1032618 1249620 1721030 2059402 2065236 2581545 3089103 3442060 4118804 5148505 5163090 6178206 10297010 10326180 12356412 15445515 20594020 30891030 60752359 61782060 121504718 182257077 243009436 303761795 364514154 607523590 729028308 911285385 1215047180 1822570770 3645141540